Package org.araneaframework.backend.list.memorybased.expression.compare

Examples of org.araneaframework.backend.list.memorybased.expression.compare.GreaterThanExpression


      super();
    }
    protected Expression buildAction(Expression startVar, Expression endVar, Expression startVal, Expression endVal) {
      return new AndExpression().add(
          new LowerThanExpression(startVar, startVal)).add(
              new GreaterThanExpression(endVar, endVal));
    }
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      AndExpression expr = new AndExpression();
      expr.add(new OrExpression().add(
          new LowerThanExpression(startVar, startVal)).add(
              new EqualsExpression(startVar, startVal)));     
      expr.add(new OrExpression().add(
          new GreaterThanExpression(endVar, endVal)).add(
              new EqualsExpression(endVar, endVal)));
      return expr;
    }
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      super();
    }
    protected Expression buildAction(Expression startVar, Expression endVar, Expression startVal, Expression endVal) {
      return new AndExpression().add(
          new LowerThanExpression(startVar, endVal)).add(
              new GreaterThanExpression(endVar, startVal));
    }
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      AndExpression expr = new AndExpression();
      expr.add(new OrExpression().add(
          new LowerThanExpression(startVar, endVal)).add(
              new EqualsExpression(startVar, endVal)));     
      expr.add(new OrExpression().add(
          new GreaterThanExpression(endVar, startVal)).add(
              new EqualsExpression(endVar, startVal)));
      return expr;     
    }
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    // build expression
    Expression expr = new AndExpression().add(
        new ComparedEqualsExpression(new VariableExpression("name"),
            new ValueExpression("James Bond"), ComparatorFactory
                .getStringComparator(false, true, null))).add(
        new GreaterThanExpression(new VariableExpression("age"),
            new ValueExpression(new Long(25)))).add(
        new EqualsExpression(new VariableExpression("licenseToKill"),
            new ValueExpression(Boolean.TRUE)));

    // evaluate expression in memory
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  public void testGreaterThanExpression()
      throws ExpressionEvaluationException {
    log.debug("Testing GreaterThanExpression");
    try {
      new GreaterThanExpression(null, null).evaluate(this.resolver);
      fail("GreaterThanExpression operands can not be nulls");
    } catch (Exception e) {
      // normal
    }
    try {
      new GreaterThanExpression(this.low, null).evaluate(this.resolver);
      fail("GreaterThanExpression operands can not be nulls");
    } catch (Exception e) {
      // normal
    }
    try {
      new GreaterThanExpression(null, this.low).evaluate(this.resolver);
      fail("GreaterThanExpression operands can not be nulls");
    } catch (Exception e) {
      // normal
    }

    // evaluating
    assertEquals("GreaterThanExpression must return true", Boolean.TRUE,
        new GreaterThanExpression(this.high, this.low)
            .evaluate(this.resolver));
    assertEquals("GreaterThanExpression must return false", Boolean.FALSE,
        new GreaterThanExpression(this.low, this.high)
            .evaluate(this.resolver));
    assertEquals("GreaterThanExpression must return false", Boolean.FALSE,
        new GreaterThanExpression(this.high, this.high)
            .evaluate(this.resolver));
  }
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